DAV Class 7 Computer Chapter 2 Scratch - I Question Answer

DAV Public School Class VII Computer Chapter 2 Scratch - I Solution

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A.  Answer the following Questions 

1) What is Scratch?

Ans. Scratch is the computer programming language that makes it easy and fun to create interactive stories, games and animations and share them online.

2) What is Animation?

Ans. Animation is a way of making a movie by using a series of drawings or photographs of object that are slightly moves.

3) Write the name of all components of Scratch.

Ans. Components of Scratch.

 Block Pane

 Script Area

 Sprite

 Stage

 Title Bar

4) What is Sprites?

Ans. A sprite is a small graphical object that moves independently around the stage, producing animation effect.

5) What is Costume in Scratch?

Ans. A costume is an alternate appearance of a sprite. It means different types of sprite dresses.

6) How many Editing tool for a sprite?

Ans. Editing Tools- Duplicate, Delete, Grow Sprite, Shrink Sprite

7) What is the function of background in scratch?

Ans. The function of Background to provide the stage area colouful and attractive.

8) What is the extension of Scratch file?

Ans. (.Sb) is the extension of scratch file.

9) Write the steps to save a Scratch project.

Ans. Saving a project:-

i. Step:-1 click the File menu

ii. Step:-2 Click the Save As…… option

Or,

Press “Ctrl + S” key on keyboard.

iii. Select the location and enter a File name

iv. Enter your name in the field project author

v. Enter some information about the project in the field about the project.

vi. Click the ok button.

 

10) Write the steps to open a project.

Ans. Opening a project:-

i. Step:-1 click on the File menu

ii. Step:-2 click the open option.

iii. Step:-3 Select the location and desire file.

iv. Step:-4 Click ok button.

11) What is pixel?

Ans. A pixel is one of the small units that make up an image on a computer or television screen.

12) How many ways are available to create personal sprites and backgrounds?

Ans. There are two ways to create personal sprites and background as follows.

i. Users can draw their own sprite manually with “Paint Editor” provided.

ii. User can choose a sprite from the Scratch library that contains default sprite.

13) What is the main use of Scratch?

Ans. Scratch introduces the basics of programming in an easy and fun manner as it provides a graphical user environment that makes the learning of scratch easy. It also helps students to think creatively and work collaboratively.

14) What is stage in scratch?

Ans. Stages is the main working area where the sprite moves and performs actions.

15) How many types of Block in Scratch?

Ans. There are eight types of Block in Scratch.

i. Motion

ii. Pen

iii. Control

iv. Variable

v. Sensing

vi. Operator

vii. Sound

viii. Look

16. Define scratch. What are the features of the Scratch?

Ans. Scratch is a free software that enables children to create their own games, animated stories and interactive art.

Features of scratch.

• It is available free of cost.

• It is very easy to understand the learn.

• It increases the student’s interest in programming by providing graphical environment

B. Fill in the blanks 

a) The pen block tool is a great tool for Drawing.

b) You use Code blocks to program Scratch.

c) The cat in Scratch is an example of a Sprite.

d) Script is a collection or stack of blocks that all interlock with one another.

e) Backpack area are sprites ad scripts stored in a Scratch screen.

f) The green flag symbol Starts the program in Scratch.

 

C. True or False

a) A costume is a different way a sprite looks. True

b) In Scratch, a character or object is called Sprite. True

c) X position value determines the vertical location or height. False

d) Sound block plays audio files. True

e) Sprites are not the images on the scratch computer program screen. False

D. Match the following.

a) Color coded Block i. Extension

b) Graphical Object ii. Script

c) Interlocked Block       iii. 8

d) .Sb iv. Sprite

e) Costume v. Sprite dress